I was checking the air quality at my California abode the other day, and the first website I went to said the Air Quality Index was a lovely 40 or so. That seemed strange, given how smoky it was outside — so I tried another site: 400+. That also seemed…
I’m writing this from lovely, sunny California — at least, I think it’s sunny, because smoke from the apocalypse wildfires around Silicon Valley has been billowing around the area for about a week or so. The quirky thing about this ecological disaster is that there are sometimes days of, “oh…
We humans breathe in oxygen—you probably knew this—and we breathe out carbon dioxide. In an enclosed space, it’s possible for carbon dioxide to build up in the air. Some research shows that meeting rooms and classrooms may be enclosed enough to reach mind-numbing carbon dioxide concentrations.